I 1905x406.4x11.1x15.9 AHMSA · Weight & Dimensions

AHMSA, welded sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: I 1905x406.4x11.1x15.9 (México) · Doble T I 1905x406.4x11.1x15.9 (Argentina / LATAM) · UB 1905 (UK / Australia)

The I 1905x406.4x11.1x15.9 steel profile weighs 264.7 kg/m (177.86 lb/ft), has a depth of 1905 mm (75.00 in), flange width 406.4 mm (16.00 in). Cross-sectional area: 33,716.04 mm². Moment of inertia Ix = 1,761,017.829 cm⁴, Iy = 17,808.523 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1905 mm	75.00 in
Width (b)	406.4 mm	16.00 in
Web thickness (tw)	11.1 mm	0.44 in
Flange thickness (tf)	15.9 mm	0.63 in
Weight	264.7 kg/m	177.86 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	33,716.04 mm²	52.260 in²
Moment of inertia (Ix)	1,761,017.83 cm⁴	42308.45 in⁴
Moment of inertia (Iy)	17,808.52 cm⁴	427.85 in⁴
Elastic section modulus (Sx)	18,488.38 cm³	1128.235 in³
Elastic section modulus (Sy)	876.4 cm³	53.482 in³
Plastic section modulus (Zx)	21,944.05 cm³	1339.114 in³
Plastic section modulus (Zy)	1,370.73 cm³	83.647 in³
Radius of gyration (rx)	72.27 cm	28.453 in
Radius of gyration (ry)	7.27 cm	2.861 in